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Theorem simp211 1134
Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.)
Assertion
Ref Expression
simp211

Proof of Theorem simp211
StepHypRef Expression
1 simp11 1026 . 2
213ad2ant2 1018 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\w3a 973
This theorem is referenced by:  cdleme27a  36093  cdlemk5u  36587  cdlemk6u  36588  cdlemk7u  36596  cdlemk11u  36597  cdlemk12u  36598  cdlemk7u-2N  36614  cdlemk11u-2N  36615  cdlemk12u-2N  36616  cdlemk20-2N  36618  cdlemk22  36619  cdlemk33N  36635  cdlemk53b  36682  cdlemk53  36683  cdlemk55a  36685  cdlemkyyN  36688  cdlemk43N  36689
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 185  df-an 371  df-3an 975
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